Epson U220B - TM Two-color Dot-matrix Printer Technical Reference Guide

2-8 System Planning Rev. D
2.3.3 Pass-through connections
The TM printer is connected to the customer display (DM-D) via a serial port, and the DM-D is
connected to the host PC via a serial port.
Note:
On the DM-D (DM-D500 etc...) which has a DIP switch to select Y-type connection, confirm that the
DIP switch has been set to “Y-type connection: Disable.”
2.4 Parallel Connection
The TM printer is connected to the host PC via a parallel interface board (UB-P02II). The
customer display (DM-D) is connected to the host PC via a serial port.
2.5 USB connection
The TM printer can be connected to the host PC via a USB connector, and other TM printers can
be connected to the first printer via USB. (See “Changing the DIP Switch Settings” in Chapter 3
for DIP switch settings.)
Application
TM side control
control setting
XON/XOFF
(except OPOS)
DTR/DSR
(DOS, OPOS, Visual C)
RTS/CTS
(DOS, Windows driver, Visual C,
Visual Basic, MSComm)
XON/XOFF Not available — —
DTR/DSR 1 — Type A or B Type B
2 — Type A or B Type A or B

Epson U220B - TM Two-color Dot-matrix Printer Specifications

General

Print Method	9-pin, serial impact dot matrix
MTBF	180, 000 hours
Weight	Approx. 2.5 kg
Data Buffer	4 KB or 40 bytes
Paper Handling	Friction feed
Character Set	95 Alphanumeric, 128 x 12 Graphic
Paper Dimensions	58, 70, 76 mm
Interface	USB, Serial (RS-232C), Parallel (IEEE-1284)
Reliability	18 million lines
Dimensions	160 (W) x 248 (D) x 139 (H) mm
Inked Ribbon	ERC-38
Color Support	Two-color printing (Black and Red)
Print Speed	4.7 LPS (lines per second) at 40 columns, 6.0 LPS at 30 columns
Character Size	1.2 × 3.1 mm (W × H) / 1.6 × 3.1 mm (W × H)